From 94503211d2fdcc5183d01c2719258a7795cdecb0 Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@kernel.org>
Date: Mon, 12 Jan 2026 16:32:12 -0800
Subject: [PATCH] xfs: translate fsdax media errors into file "data lost"
 errors when convenient

Translate fsdax persistent failure notifications into file data loss
events when it's convenient, aka when the inode is already incore.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Link: https://patch.msgid.link/176826402673.3490369.1672039530408369208.stgit@frogsfrogsfrogs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 fs/xfs/xfs_notify_failure.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/xfs/xfs_notify_failure.c b/fs/xfs/xfs_notify_failure.c
index b176728899420..6d5002413c2cb 100644
--- a/fs/xfs/xfs_notify_failure.c
+++ b/fs/xfs/xfs_notify_failure.c
@@ -26,6 +26,7 @@
 #include <linux/mm.h>
 #include <linux/dax.h>
 #include <linux/fs.h>
+#include <linux/fserror.h>
 
 struct xfs_failure_info {
 	xfs_agblock_t		startblock;
@@ -116,6 +117,9 @@ xfs_dax_failure_fn(
 		invalidate_inode_pages2_range(mapping, pgoff,
 					      pgoff + pgcnt - 1);
 
+	fserror_report_data_lost(VFS_I(ip), (u64)pgoff << PAGE_SHIFT,
+			(u64)pgcnt << PAGE_SHIFT, GFP_NOFS);
+
 	xfs_irele(ip);
 	return error;
 }
-- 
2.47.3